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add backtrack level to cuber interface

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-11-08 21:44:21 -08:00
parent 0a9946578b
commit 75b8d10f48
22 changed files with 53 additions and 40 deletions
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4
src/sat/sat_solver/inc_sat_solver.cpp
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@ -301,7 +301,7 @@ public:
return 0;
}
virtual expr_ref cube() {
virtual expr_ref cube(unsigned backtrack_level) {
if (!m_internalized) {
dep2asm_t dep2asm;
m_model = 0;
@ -315,7 +315,7 @@ public:
vars.push_back(kv.m_value);
}
sat::literal_vector lits;
lbool result = m_solver.cube(vars, lits);
lbool result = m_solver.cube(vars, lits, backtrack_level);
if (result == l_false || lits.empty()) {
return expr_ref(m.mk_false(), m);
}